Stadium: Court 8 Round: 45 Ground: Clay
| Challenger Gwangju | 2019/05/16 05:05 | Tung-Lin Wu v Sergiy Stakhovsky | 6-4,6-3 |
| Challenger Gwangju | 2019/05/14 03:45 | Tsung-Hua Yang v Sergiy Stakhovsky | 4-6,6-7 |
| Challenger Busan | 2019/05/08 03:00 | Kaichi Uchida v Sergiy Stakhovsky | 7-6,6-3 |
| Challenger Seoul | 2019/05/02 04:55 | Nikola Milojevic v Sergiy Stakhovsky | 6-2,7-6 |
| Challenger Seoul | 2019/04/30 05:30 | Rio Noguchi v Sergiy Stakhovsky | 1-6,4-6 |
| ATP Budapest | 2019/04/22 15:50 | Radu Albot v Sergiy Stakhovsky | 7-5,6-4 |
| ATP Budapest | 2019/04/21 09:00 | Miomir Kecmanovic v Sergiy Stakhovsky | 6-4,6-4 |
| ATP Budapest | 2019/04/20 08:30 | Daniel Brands v Sergiy Stakhovsky | 5-7,1-6 |
| Challenger Samarkand | 2019/05/17 06:00 | Uladzimir Ignatik v Joao Menezes | 2-6,4-6 |
| Challenger Samarkand | 2019/05/16 06:00 | Uladzimir Ignatik v Ulises Blanch | 7-6,6-7,7-6 |
| Challenger Samarkand | 2019/05/14 06:45 | Uladzimir Ignatik v Thiago Seyboth Wild | 7-6,4-6,6-2 |
| Challenger Shymkent | 2019/05/07 12:25 | Uladzimir Ignatik v Illya Marchenko | 6-3,3-6,4-6 |
| Challenger Nanchang | 2019/04/24 05:45 | Vaclav Safranek v Uladzimir Ignatik | 7-6,6-4 |
| Challenger Anning | 2019/04/17 03:20 | Jason Jung v Uladzimir Ignatik | 6-3,5-7,7-5 |
| Challenger Anning | 2019/04/16 02:00 | Uladzimir Ignatik v Nicolas Barrientos | 6-2,6-2 |
| Challenger Sophia Antipolis | 2019/04/01 09:00 | Uladzimir Ignatik v Peter Heller | 6-2,3-6,6-7 |